[ovirt-users] oVirt and cluster level 4.7

Hello, I've not had the chance to try 4.5 yet, but in a thread I saw reference to a supposed cluster level 4.7. I didn't find anything special in release notes about it, its features and matrix of compatibility levels usable in 4.5 (only 4.7 up or what?) I found this bugzilla, now closed, where in some part it was asked to file a doc part https://bugzilla.redhat.com/show_bug.cgi?id=2021545 Any further information? BTW: what are the versions of libvirt and qemu-kvm used in latest 4.5.x? Thanks, Gianluca